Lockhart · Circulation 2012 · scientific statement / narrative review · n=?

Periodontal disease and atherosclerotic vascular disease: does the evidence support an independent association?: a scientific statement from the American Heart Association.

Cited 1038 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

American Heart Association scientific consensus statement and narrative review.

PubMed 22514251 · doi:10.1161/CIR.0b013e31825719f3 · record verified 2026-08-28

What was done

An American Heart Association writing group evaluated available literature to determine whether periodontal disease is independently associated with atherosclerotic vascular disease (ASVD), examined biological mechanisms and shared risk factors, and assessed whether periodontal interventions modify ASVD risks, surrogate markers, or clinical event rates.

What was found

The abstract reports no numerical data. Observational studies demonstrate an association between periodontal disease and ASVD independent of known confounders, but do not support a causative relationship. Short-term periodontal interventions reduce systemic inflammation and endothelial dysfunction, but there is no evidence that they prevent ASVD or modify clinical outcomes.

Why it matters

This statement clarifies that while gum disease correlates with cardiovascular risk, current evidence does not justify claims that treating periodontal disease prevents heart attacks or strokes.

Limits

The review relies primarily on observational data subject to residual confounding from shared risk factors like smoking and diabetes. Interventional studies are limited to short-term surrogate endpoints without hard cardiovascular outcome trials, and no sample sizes or quantitative search metrics are reported in the abstract.

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